Interaction patterns In ELT interaction patterns are the different ways learners and the teacher can interact in the class. Using the right interaction pattern is a fundamental factor in the success of any activity and the achievement of aims. Example The class are doing a dictation activity. The interaction pattern is teacher to the whole group (T-Ss). Other patterns include pair work (S-S), and group work (Ss-Ss). In the classroom Different interaction patterns can support the aims of different kinds of activities. For example, if the learners are doing group writing then small Ss-Ss groups are best, but for elicitation of ideas the interaction pattern could be Ss-T. Changing interaction pattern..